Earplug



FIG. 1 is a perspective view of an earplug according to the present design.

FIG. 2 is a front view of FIG. 1.

FIG. 3 is a cross-section view of the earplug taken in the direction of line 3-3 in FIG. 2.

FIG. 4 is a rear view of FIG. 1.

FIG. 5 is a left view of FIG. 1.

FIG. 6 is a right view of FIG. 1.

FIG. 7 is a top view of FIG. 1.

FIG. 8 is a bottom view of FIG. 1; and,

FIG. 9 is-a perspective view of the earplug shown in an environment of use.

The broken lines showing of the earphone in FIG. 9 is for the purpose of depicting environment and forms no part of the claimed design. All other broken lines depict portions of the earplug that form no part of the claimed design. The cord in FIG. 9 is shown with a symbolic break in its length. The appearance of any portion of the article beyond the break line forms no part of the claimed design. 

CLAIM The ornamental design for an earplug, as shown and described. 